Bobbin drive for winding machines



Aug. 25, 1953 w. w. EGEE BOBBIN DRIVE FOR WINDING MACHINES 2 Sheets-Sheet 1 Filed Dec. 8, 1952 E E mm mN mu 0. mvx L 7 WR IA n W u R V mw w L l I A w w mwjm 2 1 mm mm A mm W. F WT i N m .5 no i I m A. vm i w t QNOQ MN r I: mm NN MN w 00 k w Wm ON 9 m a mm H HH avrr

ATTORNEY Filed Dec. 8, 1952 Aug. 25, 1953 w. w. 5655 2,650,035

BOBBIN DRIVE FOR WINDING MACHINES 2 Sheets-Sheet 2 INVENTOR. WALTER WARREN EGEE |O-'/ lo 4 ATTORNEY Patented Aug. 25 195 3 UNITED STATES PATENT oFF cs 2,650,035 BOBBIN DRIVE FOR WINDING MACHINES Walter Warren Egee, Yeadon, Pa., assignor to Fletcher Works Incorporated, Philadelphia, 7 Pa., a corporation of Pennsylvania 1 Application December 8, 1952, Serial No. 324,689 11 Claims. (01. 242-18) This invention relates to bobbin drives for winding machines.

Various driving mechanisms have heretofore been proposed for rotating bobbins for winding but none of these have been wholly satisfactory.

It has heretofore been proposed to drive bob-' bins on fixedly mounted centers but the driving mechanism heretofore available has left much to be desired, particularly because the bobbin cannot readily be held free from rotation at the commencement of winding, or upon the resumption of winding after an interruption, or when the bobbin is filled.

In my prior application for Bobbin Drive for Winding Machines, filed March 29, 1951, Serial No. 218,225, there is shown an individual bobbin drive for a winding machine operating on fixed centers but no other satisfactory separate and individual bobbin drive for machines of this type has heretofore been proposed. This structure,

' however, involves certain complexities of manufacture which have been overcome with the bobbin drive of the present invention.

It is the principal object of the present invention to provide an improved bobbin. drive for winding machines operating on fixed centers.

It is a further object of the present invention to provide an improved bobbin drive for winding on fixed centers in'which, if desired, the bobbin will readily spin on the bearings at the fixed centers for winding.

. It is a further object of the present invention to provide an improved bobbin drive for winding.

It is a further object of the present invention to provide a bobbin drive for winding .on fixed centers in which the bobbin may be rotatedfreely on its centers when stopped.

It isa further object of the present invention to any desired upwardly disposed position and the bobbin support maintained in that position and available for reloading.

It is a further object of the present invention to provide a bobbin drive for winding on fixed centers inwhich large-bearings can be employed at both ends of the bobbin so that the driving mechanism has an exceedingly long life.

2 Other objects and advantageous features of the invention will be apparent from the specification and claims.

The nature andcharacteristic features of the invention will be more readily understood from the following description taken in connection with the accompanying drawings forming part hereof, in which:

Figure 1 is a front elevational view of a bobbin drive in accordance with the invention, parts being broken away 'to show the details of construction;

Fig. 2 is' an end elevational view, as seen from the left of Fig. 1, parts being broken away to sho the details of construction;

Fig. 3 is an end elevational view, as seen from the right of Fig. 1, parts being broken away to show the details of construction; and

Fig. 4 is a fragmentary view'of a portion of the right hand end of Fig. 1, showing the bobbin in upright or upwardly disposed position.

It should, of course, be understood that the description and drawings herein are illustrative merely, and that various modifications and changes may be made in the structure disclosed without departing from the spirit of the invention,

Like numerals refer to like parts throughout the several views.

Referring now more particularly to the drawings, a pair of horizontal parallel rails H] are shown as a fragmentary portion of the frame of a winding machine, together with a horizontal traverse bar H having mounted thereon and movable therewith, for each bobbin to be wound, a yarn or strand guide eye I2, and a horizontal drive shaft I3, extending parallel to the rails [0. The traverse bar i I and the shaft it are actuated in any desired manner common to winding machines. 7

Ata plurality of predetermined locations on the rails l0, dependent upon the size and capacity of the winding machine, and for each bobbin B to be wound, an end plate i5 is provided, rigidly secured to the rails ID.

The end plate 55 has a stub shaft l6 fixedly mounted therein and held in position by a nut 11. Fixedly mounted on the stub shaft l6 is the inner race of a ball bearing I8, the outer race of which is in engagement with a hollow cylindrical driving sleeve 19. The bearing I8 and sleeve 19 are preferably held in assembled relation and in engagement with an interior shoulder 29 by an expansible split ringll. -The sleeve [9 has a' transversely extending end wall 22 within which a bobbin supporting pin 23 is mounted, in axial alinement with the stub shaft It, for engagement within one of the central end openings 2% of the bobbin B. A resilient ring or facing 25, of rubber or the like, is provided on the exterior of the wall 22 for engagement/by the end disc of the bobbin B.

The end plate l has a pin 39 mounted thereon, with an enlarged head 3|, for the reception of a slotted portion 32 at one end of a control arm 33. is of substantially L-shape to permit the sliding of the arm 33, as permitted by the longitudinal.

branch of the slotted portion 32, or for holdin the arm with the pin 38 engaged in the upwardly extending branch of the slotted portion 32. At the opposite end of the control arm 33, a tension coil spring 36 is connected, the other end of the spring 34 being connected to a pin 35 on the end plate [5. It will be noted that the spring 34 tends to urge the arm 33 inwardly or rearwardly unless prevented by the engagement of the pin 30 in the upwardly extending branch of the slotted portion 32.

An upwardly extending arm 36, rigidly connected to the arm 33, may be provided for manual positioning of the arm 33.

The arm 33 has fixedly mounted thereon, preferably in upwardly offset relation to the line con: necting the centers of the pins 30 and 35, a shaft 3i with an enlarged head 38, for the reception of the inner race of a ball bearing 39, the outer race having a cylindrical rim GB thereon, of resilient material, and preferably of rubber, cork, a mixture of rubber and cork, or other similar material. The rim 4!] is in driving alinement with the sleeve [9.

The shaft I3, for each bobbin B to be wound, and in driving alinement with the rim til, has a driving pulley t5 secured thereto for rotation by the shaft [3.

It will be noted that with the arm 33 in a rearwardly impelled position, urged by the spring 34, the rim to simultaneously engages the periphery of the driving pulley 45 and the periphery of the driving sleeve 13 for imparting a rotary movement to the supporting pin 23 and the facing 25. By a manual manipulation of the arm 33, the rim while out of engagement with the pulley d5 may be engaged with the periphery of the driving sleeve I9 for braking.

It will also be noted that with the arm 33 retracted and with the upwardly extending branch of the slotted portion 32 in engagement with the pin 38 the arm 33 is held in retracted position, the rim M] is out of engagement with both the driving pulley and the sleeve IS.

ith the arm 33 retracted, the supporting pin 23 is accordingly completely free from any rotating force, may be readily rotated manually by rotation of the bobbin B and may be readily stopped at the desired position.

At the opposite end of each bobbin B, a base bracket 58 is secured to the rails 19 and has an upwardly extending bifurcated supporting bracket 5i carried thereon by a pin 52, a spring 53 being provided for normally urging the upper end of the bracket 5! towards the end plate iii. The bracket 5| has a foot 39 which abuts against the base bracket to and limits the movement of the bracket 5| as urged by the spring 53.

The bracket 5! has spaced upwardly extending arms 5 1 at the upper termini of which alined, cylindrical supporting blocks 55 are mounted.

The blocks 55 have axially alined threaded openlugs 56 within which pivot pins 57 are mounted,

It will be noted that the slotted portion 32 12":

nuts 58 being provided on the outer ends of the pins 57 for holding the pins 5'! in position. The pins 5? have inward extensions 59 which serve as pivotal supports for a bearing supporting ring 69. The ring 63 ha mounted therein the outer race of a ball bearing 6!, the inner race having a supporting pin 62 carried therein. The pin 62 has a bobbin mounting pin 63 axially secured thereto for engagement within one of the central end openings 26 of the bobbin B, the pin 63 having a shoulder 6 for abutment against the outer end face of the bobbin B.

The bracket 5! has a struck out portion E with an upwardly facing end terminal 66 which serves as an abutment for the ring E553, upon separation of the bobbin B from engagement with the supporting pin 23, and upward swinging of the bobbin support around the pivot pins 51.

In order to restrain the undesired free swinging movement of the ring Ell, the bearing BI and the pins 62 and 63 with a bobbin B mounted thereon, a friction brake may be provided in the ring it} bearing on one of the pin extensions 59 and for this purpose a leather plug 8? may be employed with which a compression spring 68 is in engagement, an adjustable screw plug 39 permitting of adjustment of the friction.

The mode of use of the bobbin drive in accordance with the invention willnow be pointed out.

The drive shaft i3 is rotated and the traverse bar 5 l is continuously reciprocated in any desired.

manner. The rotation of the shaft I3 is efiective for continuously driving the pulley 45.

In the normal non-operating position of the bobbin drive, the arm 33 will be held forwardly with the upwardly extending branch of the slotted portion 32 in engagement with the pin 30. The bobbin mounting pin 63 may be readily swung upwardly, if not already in that position, and a bobbin engaged with one of its end openings 24 on the pin 63 and in engagement with the shoulder 64. The bobbin may then be swung downwardly, the supporting bracket 5! being movedto the right to permit the engagement of the opening 24 at the other end of the bobbin on the bobbin mounting pin 23. The spring 53 urges the bracket 5! and the pin 63 towards the pin 23 and by reason of the pivotal mounting of the ring and the bearing 6!, alinement of the pins 23 and 33 is readily achieved and maintained. It will be noted that in this position the bobbin is supported completely free for manual rotation if desired.

When it is desired to rotate the bobbin B, the arm 33 is released and is urged rearwardly by the spring at so that the periphery of the rim 40 is brought into and held in driving engagement with the sleeve is and with the periphery of the driving pulley t5. Yarn supplied through the guide eye E2 on the reciprocating traversebar H is supplied to the bobbin B for winding.

If it is desired to discontinue winding, the arm 33 is retracted forwardly and latched and held with the upward branch of theslotted portion 32 engaging the pin 3E9 and with the rim 4% out 01 engagement both with the driving pulley 25 and the sleeve 59. The bobbin will then come to rest, or may be stopped manually if desired, or a braking action may be effected by manipulation of the rim 453 in engagement with the sleeve l9 while out of engagement with the driving pulley 35. The bobbin B when filled, may be removed by a reversal of the operations for initially placing it in position.

Withi a plurality of bobbins operated with drives asheretofore described, the stopping of one bobbin, for any cause, does not interfere with-the continued winding on other bobbins.

I claim:

1. A bobbin winding machine comprising a frame, a rotatable shaft extending longitudinally of said frame, a traverse bar movable parallel to said frame and having a yarn guiding eye for the bobbin to be wound, means for rotatably supporting the bobbinat a fixed location with respect to said frame, said means including supporting members for the ends of the bobbin, one

of said'supporting members being at a fixed location and the other of said supporting members being movable axially of the bobbin, said one of said supporting'members having a freely rotatable sleeve portion, and a rotatable member engageable with the periphery of said sleeve portion driven by said shaft.

2. A bobbin winding machine comprising a frame, a rotatable shaft extending longitudinally of said frame and having a driving pulley thereon, a traverse bar movable parallel to said frame and having a yarn guiding eye for the bobbin to be wound, means for rotatably supporting the bobbin at a fixed location with respect to said frame, said means including freely rotatable supporting members for the ends of the bobbin, one of said supporting members being at a fixed location and the other of said supporting members being movable axially of the bobbin, said one of said supporting members having a freely rotatable sleeve portion, a movable arm supported by said frame, and a rotatable member carried by said arm and simultaneously engageable with said driving pulley and the periphery of said sleeve portion for rotating said one of said supporting members.

3. A bobbin winding machine comprising a frame, a rotatable shaft extending longitudinally of said frame and having a driving pulley thereon, a traverse bar movable parallel to said frame and having a yarn guiding eye for the bobbin to be wound, means for rotatably supporting the bobbin at a fixed location with respect to said frame, said means including supporting members for the ends of the bobbin, one of said supporting members being at a fixed location and the other of said supporting members being movable axially of the bobbin, said one of said supporting members having a freely rotatable sleeve portion, a movable arm, a resilient member for urging said arm in one direction, releasable holding means for said arm, and a rotatable member pivotally mounted on said arm and simultaneously engageable with said driving pulley and the periphery of said sleeve portion for rotating said one of said supporting members.

4. A bobbin Winding machine comprising a frame, a rotatable shaft extending longitudinally of said frame and having a driving pulley thereon, a traverse bar movable parallel to said frame and having a yarn guiding eye for the bobbin to be wound, means for rotatably supporting the bobbin at a fixed location with respect to said frame, said means including freely rotatable supporting members for the ends of the bobbin, one of said supporting members being at a fixed location and the other of said supporting members being resiliently urged axially of the bobbin, said one of said supporting members having a freely rotatable sleeve portion, a movable arm, a resilient member for urging said arm in one direction, releasable holding means for said arm a peripheral cylindrical driving face, and a rotatable member movable into simultaneous engagement with said pulley and said driving facefor rotating the bobbin.

"6. Driving mechanism for bobbin winders comprising a rotatable shaft having a pulley thereon for eachbobbin to be wound, freely rotatable supporting members for each of the ends of the bobbin, one of said supporting members having a peripheral cylindrical driving face, an arm, a resilient member for impelling said arm in one direction, and a rotatable member carried by said arm and movable into simultaneous engagement with said pulley and said driving face for rotating the bobbin.

'7. Driving mechanism for bobbin Winders comprising a rotatable shaft having a pulley thereon for each bobbin to be wound, freely rotatable supporting members for each of the ends of the bobbin, one of said supporting members having a peripheral cylindrical driving face, a control arm, a resilient member for impelling said arm in one direction, releasable holding means for said arm, and a rotatable member carried by said arm and movable upon release of said holding means into simultaneous engagement with said pulley and said driving face for rotating the bobbin.

8. A bobbin winding machine comprising a frame, a rotatableshaft extending longitudinally of said frame, a traverse bar movable parallel to said frame and having a yarn guiding eye for the bobbin to be wound, means for rotatably supporting the bobbin at a fixed location with respect to said frame, said means including freely rotatable supporting members for the ends of the bobbin, one of said supporting members being at a fixed location and the other of said supporting members being movable axially of the bobbin, means for rotating said one of said supporting members, said other of said supporting members having a bobbin engaging pin, a bearing for said pin, and a pivotal mounting member for said bearing for swinging movement of said bearing and said pin.

9. A bobbin winding machine comprising a frame, a rotatable shaft extending longitudinally of said frame, a traverse bar movable parallel to said frame and having a yarn guiding eye for the bobbin to be wound, means for rotatably supporting the bobbin at a fixed location with respect to said frame, said means including freely rotatable supporting members for the ends of the bobbin, one of said supporting members being at a fixed location and the other of said supporting members being movable axially of the bobbin, means for rotating said one of said supporting members, said other of said supporting members having a bobbin engaging pin, a bearing for said pin, and a horizontal pivotal mounting member for'said bearing for upward swinging movement of said bearing and said pin.

10. A bobbin winding machine comprising a frame, a-rotatable shaft extendinglongitudinally: of saidframe, a traverse bar-movable parallel to said frame and having a yarn guiding eye for.

thebobbin to be wound, means for rotatably supporting the bobbin at a fixed location with respect to said frame, said means including freely rotatable supporting members'for the'ends of the bobbin, one of said supporting members, being at a fixed location and the otherxof said supporting members being movable axially 'of the bobbin,

means for. rotating said one of said supportingv members, saidother of said supportingtmembers having a bobbin'engaging pin, a bearing forsaid pin, a horizontal pivotal mounting member for said bearing for upward swinging movement: of said bearing and said pin, andta member forlimiting the pivotal movement of said mounting member.

11. A bobbin winding machine comprising a frame, a rotatable shaft extending longitudinally- 8' off said v frame, a traverse, bar: movable parallel to: said. frame and having a yarn guiding eye for the bobbin to be wound,- meansfor rotatably supporting-the bobbin at afixed locationwith rehaving a .bobbin'engaging pin, a bearing for said. pin, a; horizontalpivotal mounting member for said bearing for upward swinging movement of saidbearing and said pin, and braking means for restrainingsaid upward swinging movement.

WALTER WARREN EGEEE.

Noreferences cited. 

